36546155221 has 8 divisors (see below), whose sum is σ = 38180691000. Its totient is φ = 34936574400.

The previous prime is 36546155167. The next prime is 36546155227. The reversal of 36546155221 is 12255164563.

It can be written as a sum of positive squares in 4 ways, for example, as 3987922500 + 32558232721 = 63150^2 + 180439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36546155221 - 2²¹ = 36544058069 is a prime.

It is a super-2 number, since 2×36546155221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36546155227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6235746 + ... + 6241603.

It is an arithmetic number, because the mean of its divisors is an integer number (4772586375).

Almost surely, 2^36546155221 is an apocalyptic number.

It is an amenable number.

36546155221 is a deficient number, since it is larger than the sum of its proper divisors (1634535779).

36546155221 is a wasteful number, since it uses less digits than its factorization.

36546155221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12477479.

The product of its digits is 216000, while the sum is 40.

The spelling of 36546155221 in words is "thirty-six billion, five hundred forty-six million, one hundred fifty-five thousand, two hundred twenty-one".